What is a social network?
"A social network is a social structure made up of individuals (or organizations) called "nodes", which are tied (connected) by one or more specific types of interdependency, such as friendship, kinship, common interest, financial exchange, dislike, or relationships of beliefs, knowledge or prestige." -- Wikipedia

How can I use social networks to grow as a teacher?
Thousands of teachers use Twitter, Facebook and blogs to connect, discuss and share resources every day. Here are some reflections on using social networks to become a better teacher.

Learning With Twitter -- one teacher's reflections

Twittering, not Frittering-- why Twitter is worth your time

PLN Power -- how your students can benefit from your online network